Sentences with phrase «over eons by»

Lunar regolith is made from solid moon rock that has been ground down over eons by meteorite impacts.

Not exact matches

From the late 1960s through the early»70s, the denizens of this tiny Pacific island were the wealthiest people on the planet per capita, due to the dense and valuable guano deposits left on the island by fish - eating seabirds over a period of eons.

That trees were created already decades old, with existing tree rings demonstrating their age; that dinosaur bones were placed in the Earth already millions of years old; canyons were created with layers of sedimentary rock AS IF they had been carved out by water over eons, etc..

That ancient, relic light washes over us even now, diminished by the intervening eons to a faint all - sky microwave glow: the cosmic microwave background (CMB).

The moon appears to be a tranquil place, but modeling done by University of New Hampshire and NASA scientists suggests that, over the eons, periodic storms of solar energetic particles may have significantly altered the properties of the soil in the moon's coldest craters through the process of sparking — a finding that could change our understanding of the evolution of planetary surfaces in the solar system.

Pore spaces that shelter subsurface microbes areconstricted to the vanishing point in metamorphic rocks buried over eons byfurther sedimentation, volcanic eruptions, or massive folding of Earth's crust.And dense crystalline material formed by melting — basic igneous rock — offerslittle housing or dining.

But rather than a monotonously uniform surface homogenized by impact cratering over the eons, the first up - close look at the asteroid reveals a full palette of mineral «colors» (mapped here in false color reflecting the wide range of rock compositions).

After breakfast, we travel to Bryce Canyon National Park, where the haunting rock formations known as Hoodoos have been shaped by wind and water erosion over the eons.

Geologists at Stanford settled a long - simmering dispute over the age of the Sierra Nevada range by studying gravel that was soaked with rainwater eons ago.

Sandblasted by interstellar dust gains and irradiated over eons, long - period comets from the Oort Cloud are not exactly pristine relics from the birth of the Solar System (more).

Designed by Katie Paterson over the course of three years, Hollow contains of more than 10,000 pieces of wood species found all around the world, dating back to eons before our humanly presence.

The surreal natural formations of Turkey's Cappadocia region, where soft volcanic rocks have eroded over the eons into fanciful cones and spires, now have some serious man - made competition for tourist attention: The world's largest contemporary land art park, comprising 10 giant sculptures made out of more than 10,500 tons of stone.Australian sculptor Andrew Rogers picked this part of central Turkey for the latest installment of his five - continent «Rhythms of Life» art project due to its natural beauty and long history of settlement by many civilizations.